The patch is very thin t antenna was modeled in cst microwave studio and the results are illustrated below. The breathing rate br and heart rate hr of a 31yearold man have. Design of 4x4 spherical patch antenna array in cst studio. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. These can be used to simulate antenna radiation patterns, installed performance and coupling in realistic environments. The patch is generally made up of a conducting material such as copper or gold and can take any possible shape like rectangular, circular, triangular, elliptical or some other common shape. Microstrip patch antenna array, microstrip line feed, coaxial. So, there is a requirement to increase the bandwidth and gain of microstrip patch antenna mpa. The goal is to match the input impedance zin to the transmission line z0. Simple dipole antenna to understand the function of the antenna we consider the antenna to be enclosed by a surface volume and radiate in homogenous space free space. In this example, we will investigate the microstrip patch antenna array. Due to the loss of fr4, the actual performance of this design is worse than the 6 ghz edgefed 2x2 patch array.
Planar array technique used to obtain a larger gain than square microstrip patch antenna comparing with only single element. Microstrip antenna an overview sciencedirect topics. The microstrip antenna can also be matched to a transmission line of characteristic impedance z0 by using a quarterwavelength transmission line of characteristic impedance z1 as shown in figure 2. The microstrip patch antenna calculator determines the length l and width w of a rectangular microstrip patch antenna for a given resonant frequency or vice versa. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. A microstrip antenna array is one of the simplest forms of antennas available. A relationship showing effect of curvature on the resonant frequency has been realized. Design and analysis of microstrip patch antenna arrays.
Microstrip patch antenna design santa clara university. Ghz with improved gain and beamwidth capabilities for remote detection of respiration and heart beat rate of a person with doppler radar principle. This paper presents the design of a rectangular patch antenna array for 5g wireless communication using cst microwave studio. Figure 3 shows the front view geometry and the designed structure of the designed microstrip patch antenna with single band operation for the wlan band on the cst microwave studio software.
Following equations or formula are used for this microstrip patch antenna calculator. The four element antenna array has demonstrated about 16dbi gain, a remarkable figure for its compact size. The antenna consists of a single printed circuit board with an rf connector and perhaps an absorptive load. Design of rectangular patch antenna array for 5g wireless. The patch antenna developed for 436mhz by greg vk3blg in 2003 is a remarkable antenna for amateur satellite work. The antennas measured and simulation results showed close agreement. Microstrip patch antenna designed using cst microwave studio the antenna is being excited with the coaxial feed point located at distance dx and dy from the centre of the patch. The design uses a software simulator cst microwave studio. Introduction microstrip antennas basically consist of a radiating patch on one side of a dielectric substrate, which has a ground plane on the other side. Ultrawide patch antenna array design at 60 ghz band for. Pdf design of microstrip patch antenna array for wireless. The authors of 37 presented a 5g capable slotted microstrip patch antenna having a resonance frequency at 11ghz with a compact size of 22. Microstrip antenna design with cst my antenna simulations. This video will show us the step by step process of designing 4x4 spherical microstrip patch antenna array in cst studio suite 2019.
Cst studio suite is an industryleading em simulation tool, with multiple solvers for suitable for a wide range of applications. In order to describe the algorithm for the design of conformal microstrip antennas, for the sake of simplicity, let us first consider a probefed planar microstrip antenna with a gular patch of length lpa and width wpa, mounted on a dielectric substrate of thickness hs, relative permittivity. Tutorial 11 design an array of dipole antenna using cst. If you like this video please share, subscribe and comment for. In order to describe the algorithm for the design of conformal microstrip antennas, for the sake of simplicity, let us first consider a probefed planar. For optimal performance of an antenna array, the spatial distribution of the elements as well as phases and magnitudes at each element need to be tuned. The design of the individual patch element, the arrangement and spacing of the array and the layout of.
Pdf design and simulation of microstrip patch array antenna. The design of the individual patch element, the arrangement and spacing of the array and the layout of the feed network are all factors that decide both the radiation pattern and sparameters of an array. Microstrip antennas can be manufactured very inexpensively now that reasonably priced, closely controlled substrate materials are available. How to design 1x4 array antenna using tepered line feeding.
Patch antenna can be classifie d as single element resonant antenna. There are few basic things that must be known before designing an antenna in general such as. The cst microwave studio software is used for fabrication of simulated patch. Microstrip patch antenna array design to improve better gains. Due to its planar configuration and ease of integration with microstrip technology, the microstrip patch antenna has been heavily studied and is often used as elements for an array. This paper presents the application of frequency selective surfaces fsss in rectangular microstrip patch array antenna mpaa as a. Design and simulation of microstrip phase array antenna using ads. Patch antenna cst model the s11 and farfield realized gain plots are depicted in figures 3 and 4, respectively. The array antenna consists of four square patch antenna elements fabricated on. Patch antenna with a quarterwavelength matching section. Performance of realized planar patch antenna conforms to the conformal antenna on the cylindrical surface. Additionally, table 1 details antenna characteristics from the cst simulation.
The process is explained in the following document. A variant of the patch antenna commonly used in mobile phones is the shorted patch antenna, or planar invertedf antenna pifa. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. The fundamentals of patch antenna design and performance. Antenna,microstrip,patch antenna,coaxial cable,radio,microwave engineering, probe feed,cst,coaxial feed using cst,cst studio suite. Jun 01, 2015 design and simulation microstrip patch antenna using cst microwave studio 1. The frequency range in which the antenna is planed to be be propagating, the size of the antenna, the material, the gain of the antenna and. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. This antenna is planar, can be made sufficiently broadband for. In general microstrip patch antennas are also known as printed antennas. Pdf phased antenna array design with cst studio suite. Thus, the patch operates as an array of two slots with a freespace separation somewhat less than.
If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Design and simulation microstrip patch antenna using cst microwave studio 1. Design techniques for conformal microstrip antennas and their. Siddaiah procedia computer science 85 2016 401 a 409 fig. Microstrip patch antenna calculator patch antenna formula. Design and optimization of rectangular microstrip patch array.
This array network helped in achieving a maximum gain of 6. The microstrip patch antenna is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. A practical guide to the designof microstrip antenna arrays. Cst studio suite used to design microstrip patch array. Design and analysis of 28ghz rectangular microstrip patch.
Analysis and design of ism band patch antenna array. The patch is a very thin patch antennas on the same substrate see image called microstrip antennas, can be used to make high gain array antennas, and phased arrays in which the beam can be electronically steered. Patch antenna has a narrow bandwidth so it has a complexity in tunings. The second approach was a more conventional patch antenna array beamsteering concept, whereby rf mems phase shifters, fed via a wilkinson power divider, were used for configuring the phase distribution of the signals of the antenna array. Elliptical slot circular patch antenna array with dual band. The microstrip patch antenna is a single layer design which consists generally of four parts patch, ground plane, substrate, and the feeding part. The patch is generally made of conducting material such as copper and gold wikipedia, 2010. In this video, a phased array antenna was designed using a microstrip antenna. Designing multiple antennas using cst software and describe what happen in arabic for radiation pattern, s11 and design characteristics. Design and simulation microstrip patch antenna using cst microwave studio.
The patch is very thin t patch antenna is designed in cst microwave studio at a resonant frequency of 2. How to design microstrip patch antenna array using cst youtube. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. Design and simulation microstrip patch antenna using cst. Design and simulation of microstrip patch array antenna with high directivity for 10 ghz applications conference paper pdf available november 2014 with 7,991 reads how we measure reads. The second approach was a more conventional patchantenna array beamsteering concept, whereby rf mems phase shifters, fed via a wilkinson power divider, were used for configuring the phase distribution of the signals of the antenna array.
142 753 195 1118 518 1260 208 140 387 1262 679 1069 687 1377 1041 830 980 1138 1409 1559 266 323 52 301 763 986 906 31 854 871 1389 285 1104 597 870 1376 1365 1136 1281 469 1362 1165 777 1380 846 958